Yes. It does
Console> (enable) set span 1 3/1 both create
1994 Aug 07 19:24:09 %SYS-5-SPAN_CFGSTATECHG:local span session active for destination port 3/1
Destination : Port 3/1
Admin Source : VLAN 1
Oper Source : None
Direction : transmit/receive
Incoming Packets: disabled
Learning : enabled
Multicast : enabled
Filter : -
Status : inactive
Console> (enable) 1994 Aug 07 19:24:09 %SYS-5-SPAN_CFGSTATECHG:local span session inactive for destination port 3/1
Console> (enable) set span 1 3/2 both create
1994 Aug 07 19:24:18 %SYS-5-SPAN_CFGSTATECHG:local span session active for destination port 3/2
Destination : Port 3/2
Admin Source : VLAN 1
Oper Source : None
Direction : transmit/receive
Incoming Packets: disabled
Learning : enabled
Multicast : enabled
Filter : -
Status : inactive
Console> (enable) 1994 Aug 07 19:24:18 %SYS-5-SPAN_CFGSTATECHG:local span session inactive for destination port 3/2
Console> (enable) sh span
Destination : Port 3/1
Admin Source : VLAN 1
Oper Source : None
Direction : transmit/receive
Incoming Packets: disabled
Learning : enabled
Multicast : enabled
Filter : -
Status : inactive
------------------------------------------------------------------------
Destination : Port 3/2
Admin Source : VLAN 1
Oper Source : None
Direction : transmit/receive
Incoming Packets: disabled
Learning : enabled
Multicast : enabled
Filter : -
Status : inactive
Total local span sessions: 2
Console> (enable)